Question
Find $\text{HCF}$ by factorisation:
$50, 80$
$50, 80$
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| - | $1$ | $3$ | $0$ | $7$ | $6$ | $7$ | |
| $8$ | $5$ | ||||||
| $6$ | $5$ | $2$ | $8$ | $5$ |
| $+$ | $4$ | $5$ | $3$ | $2$ | $1$ | $8$ | $9$ |
| $1$ | $9$ | $2$ | $5$ | $6$ | $1$ | $8$ | |
| $3$ | $2$ | $5$ | $1$ | $7$ | $0$ | $9$ | |
